code: def testEmpty(self):
      self.assertComputeFails(Panning(), [], [])
  
file_path: essentia/test/src/unittests/standard/test_panning.py
imports: from essentia_test import *
  from math import log
label_desc: Use image node_id 4 for calling the TestPanning obj's underlying member method code with example usage: obj.testEmpty() without return types